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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Dear All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have updated the MPS Information Model to reflect the agreements made at our last telecon in January, and also to correct a few minor errors noticed by myself and Veniamin.<o:p></o:p></p><p class=MsoNormal>This has been saved to the Google Drive as Draft F3<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The EA model is at: <a href="https://drive.google.com/open?id=154MzHvmd4DLEBrqG5e8L9hs1MCieR0Dg">https://drive.google.com/open?id=154MzHvmd4DLEBrqG5e8L9hs1MCieR0Dg</a> <o:p></o:p></p><p class=MsoNormal>The RTF diagram report for those without EA is at: <a href="https://drive.google.com/open?id=1DCuEuPuuOtLzW0Kani8g4Z5P0x-PO3Lz">https://drive.google.com/open?id=1DCuEuPuuOtLzW0Kani8g4Z5P0x-PO3Lz</a> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The main changes are:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>Changes to PatchPlan – this is now a COM object with an ID, with its Related link pointing to a PlanIdentity object. A status field has also been added to make this consistent with PlanVersion<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>The MPS Version data type has been removed, and the corresponding attributes on Definition objects changed to a MAL String<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>With regard to PatchPlan, I note that this is now very similar to PlanVersion. An alternative approach would be to harmonise this, so that PatchPlans and PlanVersions have identical structure and are merged together as PlanVersion. This would require:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>An attribute on PlanVersion that defines its type as a full Plan or a patch Plan.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>The reference attribute to Predecessor points to the previous Plan from which the current Plan is derived; for a PatchPlan this is equivalent to Source Plan, so a single attribute can be used. While this can be null for a Plan, it must be a valid PlanVersion for a PatchPlan. The referenced PlanVersion must be a Full plan, not a PatchPlan.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>An additional reference attribute to the TargetPlan is required. For a Plan this is effectively itself, so it should be null. For a PatchPlan this is optional but if provided must be a valid PlanVersion of type Full.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>For PatchPlans the PlanRevisions structure is inserted, although normally there will only be one PlanRevision. This is to make the structure consistent with Plan<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>For a PatchPlan only changes (insertions, updates and deletions) are included – unchanged items are omitted. This is the key difference between a Full plan and a Patch plan.<o:p></o:p></p><p class=MsoNormal>I deferred making this change until it had been discussed with the WG.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best regards,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Roger<o:p></o:p></p></div></body></html>